20077255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 28226880

約数和(自身を除く): 8149625

約数列:

[1, 5, 11, 17, 55, 85, 109, 187, 197, 545, 935, 985, 1199, 1853, 2167, 3349, 5995, 9265, 10835, 16745, 20383, 21473, 36839, 101915, 107365, 184195, 236203, 365041, 1181015, 1825205, 4015451, 20077255]

約数ペア:

[(1, 20077255), (5, 4015451), (11, 1825205), (17, 1181015), (55, 365041), (85, 236203), (109, 184195), (187, 107365), (197, 101915), (545, 36839), (935, 21473), (985, 20383), (1199, 16745), (1853, 10835), (2167, 9265), (3349, 5995)]